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post #1 of 9 (permalink) Old 07-07-2004, 01:38 AM Thread Starter
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PC Video Card prob

Hi All/Techies

My gf's computer is using an ATI Rage 128 video card and it's causing some flicker problems. Is there any way to fix this or is the card garbage?

Problem is not the monitor as I've replaced the old 15" with a new 17" LCD for her

Two Screen Caps (please copy and paste the URLs);

http://www.imagestation.com/picture/...4.jpg.orig.jpg

http://www.imagestation.com/picture/...2.jpg.orig.jpg

Notice the vertical lines? That and there's faint flicker of pixels in places where it shouldn't be. If you can see clear in the screen cap, the vertical band about 20% from the right-side is actually the last few columns of pixels (the far right edge of the ICQ border).

Again, it's not the monitor causing this.

Any one experience this kind of problem before? I tried Googling with no success. TIA...


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post #2 of 9 (permalink) Old 07-07-2004, 02:07 AM
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PC Video Card prob

image station doesn't allow you to link to images like that
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post #3 of 9 (permalink) Old 07-07-2004, 02:31 AM
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PC Video Card prob

Quote:
Originally Posted by "MZ6ZoomZoom"
image station doesn't allow you to link to images like that
Yes, that's why he said to copy and paste the URLs

My first troubleshooting step would be to adjust refresh rates and see if that solves it. Right click on the desktop and select "Properties." Go to the "Settings" tab and click "Advanced." Go to the monitor tab and in the "Screen refresh rate" drop-down, see if there are other options. Try any available options it gives you (don't uncheck the "Hide modes that..." box) and see if that is any better.

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post #4 of 9 (permalink) Old 07-07-2004, 02:52 AM
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PC Video Card prob

Oops my bad.

But yeah Ghoulish has a good idea in trying other refresh rates.

The Rage 128 is a relatively old video card, so it may have some issues with modern resolutions and refresh rates... as was said, make sure you use a suggested mode, not one of the hidden ones.
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post #5 of 9 (permalink) Old 07-07-2004, 02:56 AM
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PC Video Card prob

And if while changing that setting, the monitor goes blank or flickers to the point that you can't read it at all, just don't touch anything. In 15 seconds it will return to the previous settings, no harm done.

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post #6 of 9 (permalink) Old 07-07-2004, 05:24 AM
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PC Video Card prob

I had no problem clicking the links and seeing them.

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post #7 of 9 (permalink) Old 07-07-2004, 08:34 AM
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PC Video Card prob

how much memory does your Rage have?

17" LCDs have a 1024x768 resolution - it might be nering the top of the card's capability - as emntioned earlier the rage128 is a bit of an old card.

You might want to try updating your drivers, or even just re-installing them - it doesn't look like a refresh thing since the artifacts are vertical. Do you have another monitor you can try? Might even be the amount of RAM she has in the box and windows isn't able to properly draw/clean the screens. I have seen artifacts like that when my computer was WAY overtaxed or somethings goes wrong and starts chewing up memory.

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post #8 of 9 (permalink) Old 07-07-2004, 10:17 AM Thread Starter
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PC Video Card prob

Hi all, thanks for the tips so far. Everything mentioned so far I have already looked at (well, changing refresh rates and reinstalling original/new drivers).

She had a 15" CRT before and those "artifacts" were there too. They wouldn't appear at first boot up of the computer. However if the computer was left on for a period of time (I'm guessing after half hour to one hour time) those artifacts and flickering would appear. This happened on both monitors.

I don't remember how much video memory is on the Rage. The PC has 384MB installed (128 + 256 chips).

Also when those artifacts do appear, I've tried different refresh rates, and even changing the resolution all the way down to 640x480 and still has the same problem.

The system isn't even being worked either, as seen in the pics. We only had ICQ, MSN, and two browser windows opened at most (amongst some tasks such as anti-virus, pop-up stopper utility, etc.).

Thanks again for your help, everyone!


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post #9 of 9 (permalink) Old 07-07-2004, 06:39 PM
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PC Video Card prob

IIRC refresh rates don't really do much for LCD monitors, as there's no real need to refresh the entire screen...and you don't want to play with the resolution cause you'll end up with a slightly blurry image if you're not using the native resolution of the LCD panel.

But I would take a stab at the video card. First try to upgrade the drivers (could be Microsoft default drivers, or an old ATI driver). If that doesn't work you can probably pick up a cheap card for like $40 and give that a shot, OR even pull out the card in your own computer to test it.

Good luck.

Quick Edit: looking at the pics again I'd venture to guess that its a memory corruption problem, and you'll probably have to replace the video card.

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